Home / 9,163.45-12,647.55-5,579.59

Finding the Fourth Proportional to 9,163.45, 12,647.55 and 5,579.59

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Solution

The fourth proportional to 9,163.45, 12,647.55 and 5,579.59 is: 7,701.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,163.45 : 12,647.55 = 5,579.59 : x
  2. Step 2: Convert to fraction form
    9,163.45/12,647.55 = 5,579.59/x
  3. Step 3: Cross multiply
    9,163.45x = 12,647.55 × 5,579.59
  4. Step 4: Simplify right side
    9,163.45x = 70,568,143.50
  5. Step 5: Solve for x
    x = 70,568,143.50/9,163.45
  6. Step 6: Final answer
    x = 7,701.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.